[BACK]Return to printout.pl CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface
File:  [LON-CAPA] / loncom / interface / printout.pl
Revision 1.28: download - view: text, annotated - select for diffs
Fri Jun 6 02:29:48 2003 UTC (20 years, 11 months ago) by www
Branches: MAIN
CVS tags: version_0_99_3, version_0_99_2, HEAD
Oops.

    1: #!/usr/bin/perl
    2: use IO::File;
    3: use Image::Magick;
    4:  print "Content-type: text/html\n\n";
    5:  print "<body bgcolor=\"#FFFFFF\">\n";
    6:   my ($texfile,$laystyle,$numberofcolumns,$selectionmade) = split(/&/,$ENV{'QUERY_STRING'});
    7:   my $figfile = $texfile;
    8:   $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
    9:   my $duefile = $texfile;
   10:   $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
   11:   #do we have figures?
   12:   if (-e $figfile) {
   13:       my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
   14:       my @content_of_file = <$temporary_file>;
   15:       close $temporary_file;  
   16:       my $noteps;
   17:       foreach $not_eps (@content_of_file) {
   18: 	  if ($not_eps ne '') {
   19: 	      my $eps_f = $not_eps;
   20: 	      $eps_f =~ s/\.[^.]*$/\.eps/i;
   21: 	      $_ = $eps_f;
   22: 	      m/\/([^\/]+)$/;
   23: 	      $eps_f = '/home/httpd/prtspool/'.$1;
   24: 	      my $image = Image::Magick->new;
   25: 	      $not_eps =~ s/^\s+//;
   26: 	      $not_eps =~ s/\s+$//;
   27: 	      $status = $image->Read($not_eps);
   28: 	      if ($status) {print "  $status  ";}
   29: 	      $image->Set(page => '+100+200'); 
   30: 	      $status = $image->Write($eps_f);	    
   31: 	      if ($status) {print "  $status  ";}
   32:               #check is eps exist in prtspool
   33:               if(not -e $eps_f) {
   34: 		  for (my $i=0;$i<10000;$i++) {
   35: 		      if (-e $eps_f.'.'.$i) {
   36: 			  rename $eps_f.'.'.$i, $eps_f;
   37: 			  last;
   38: 		      }
   39: 		  }
   40: 	      }  
   41: 	  }
   42:       }
   43:       unlink $figfile;
   44:   }
   45:   #print "$texfile\n"; #name of the tex file for debugging only
   46:   $texfile =~ m/^(.*)\/([^\/]+)$/; 
   47:   my $name_file = $2;
   48:   my $path_file = $1.'/';
   49:   chdir $path_file;
   50:   system("latex $name_file 1>/dev/null 2>/dev/null");
   51:   #Do we have a latex error in the log file?
   52:   my $logfilename = $texfile;
   53:   $logfilename =~ s/\.tex$/\.log/;
   54:   my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";
   55:   my @content_of_file = <$temporary_file>;
   56:   close $temporary_file; 
   57:   my $body_log_file = join(' ',@content_of_file); 
   58:   if ($body_log_file=~m/!\s+Emergency stop/) {
   59:       #LaTeX failed to parse tex file 
   60:       print "<h2>LaTeX could not successfully parse your tex file.</h2>";
   61:       print "It probably has errors in it.<br />";
   62:       my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
   63:       my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
   64:       if ($whereitbegins!=-1 and $whereitends!=-1) {
   65: 	print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
   66:       }
   67:       print "Here are the error messages in the LaTeX log file</br><br />";
   68:       my $sygnal = 0;
   69:       for (my $i=0;$i<=$#content_of_file;$i++) {
   70:           if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
   71: 	      $sygnal = 1;
   72: 	  } 
   73: 	  if ($content_of_file[$i]=~m/Here is how much of/) {
   74: 	      $sygnal = 0;
   75: 	  } 
   76: 	  if ($sygnal) {
   77: 	      print "$content_of_file[$i]<br />";
   78: 	  }  
   79:       } 
   80:   } else {
   81:       #LaTeX successfully parsed tex file 
   82:       $name_file =~ s/\.tex/\.dvi/;
   83:       my $new_name_file = $name_file;
   84:       $new_name_file =~ s/\.dvi/\.ps/;
   85:       my $comma = "dvips -Ppdf -G0 -o $new_name_file";
   86:       system("$comma $name_file 1>/dev/null 2>/dev/null");
   87:       if (-e $new_name_file) {
   88: 	  print "<h1>Successfully created PDF output file (see link below)</h1>\n";
   89: 	  $new_name_file =~ m/^(.*)\./;
   90: 	  my $tempo_file = $1.'temporar.ps';
   91: 	  my $name_file = $1.'.pdf';
   92: 	  if ($laystyle eq 'album' and $numberofcolumns eq '2') {
   93: 	      $comma = "psnup -2 -s1.0 $new_name_file";
   94: 	      system("$comma $tempo_file 1>/dev/null 2>/dev/null"); 
   95: 	      system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
   96: 	  } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
   97: 	      $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
   98: 	      system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
   99: 	      system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
  100: 	  } else {
  101: 	      system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
  102: 	  }	    
  103: 	  my $texlog = $texfile;
  104: 	  my $texaux = $texfile;
  105: 	  my $texdvi = $texfile;
  106: 	  my $texps = $texfile;
  107: 	  $texlog =~ s/\.tex/\.log/;
  108: 	  $texaux =~ s/\.tex/\.aux/;
  109: 	  $texdvi =~ s/\.tex/\.dvi/;
  110: 	  $texps =~ s/\.tex/\.ps/;
  111: 	  my @garb = ($texlog,$texaux,$texdvi,$texps);
  112: #	  unlink @garb;
  113: 	  unlink $duefile;
  114: 	  print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
  115: 	  print "\n";
  116:       }
  117:   }
  118: 
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